Headphone stand



FIG. 1 is a front right-top perspective view for a headphone stand, showing my new design;

FIG. 2 is front elevational view of FIG. 1 thereof;

FIG. 3 is a rear elevational view of FIG. 1 thereof;

FIG. 4 is a left side elevational view of FIG. 1 thereof, the right side elevational view being a mirror image;

FIG. 5 is a top plan view of FIG. 1 thereof; and,

FIG. 6 is a bottom plan view of FIG. 1 thereof. 

CLAIM The ornamental design for a headphone stand, as shown and described. 